$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-fileutil.git /var/lib/mock/f40-build-2595773-62745/root/chroot_tmpdir/scmroot/golang-modernc-fileutil
Cloning into '/var/lib/mock/f40-build-2595773-62745/root/chroot_tmpdir/scmroot/golang-modernc-fileutil'...
$ git fetch origin 3f6ccd4c64096adb5dc66cbdd9713305aa72c22b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-fileutil
 * [new ref]         3f6ccd4c64096adb5dc66cbdd9713305aa72c22b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f6ccd4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild